facebook/presto — pull request #1948 by zhenxiao (2014-11-12 02:30:47+00:00)
Title: Add AWS role as session property

Users could use AWS role to do per-session access.
eg. use AWS role to query some limit-access tables:
./presto --server coordinator:8080 --catalog hive --debug --session hive.aws_iam_role="arn:aws:iam::example:role/access"